/**
 * 通过mutations间接更新state的多个方法对象
 */
import {
  RECEIVE_ADDRESS,
  RECEIVE_CATEGORIES,
  RECEIVE_SHOPS,
  RECEIVE_USER_INFO,
  RESET_USER_INFO,
  RECEIVE_GOODS,
  RECEIVE_RATINGS,
  RECEIVE_INFO,
  INCREMENT_FOOD_COUNT,
  DECREMENT_FOOD_COUNT,
  CLEAR_CART,
  RECEIVE_SEARCH_SHOPS
} from './mutation-types'

import {
  reqAddress,
  reqFoodCategories,
  reqShops,
  reqUserInfo,
  reqLogout,
  reqShopRatings,
  reqShopGoods,
  reqShopInfo,
  reqSearchShop
} from '../api/'
export default {
  // 异步获取地址
  async getAddress({
    commit,
    state
  }) {
    const geohash = state.latitude + ',' + state.longitude
    const result = await reqAddress(geohash)
    if (result.code === 0) {
      const address = result.data
      commit(RECEIVE_ADDRESS, {
        address
      })
    }
  },
  // 异步获取食品分类列表
  async getCategories({
    commit
  }) {
    const result = await reqFoodCategories()
    if (result.code === 0) {
      const categories = result.data
      commit(RECEIVE_CATEGORIES, {
        categories
      })
    }
  },
  // 异步获取商家
  async getShops({
    commit,
    state
  }) {
    const {
      longitude,
      latitude
    } = state
    const result = await reqShops(longitude, latitude)
    if (result.code === 0) {
      const shops = result.data
      commit(RECEIVE_SHOPS, {
        shops
      })
    }
  },
  // 同步获取用户信息
  recordUser({
    commit
  }, userInfo) {
    commit(RECEIVE_USER_INFO, {
      userInfo
    })
  },
  // 异步获取用户信息
  async getUserInfo({
    commit
  }) {
    const result = await reqUserInfo()
    if (result.code === 0) {
      const userInfo = result.data
      commit(RECEIVE_USER_INFO, {
        userInfo
      })
    }
  },
  // 异步退出登录
  async logout({
    commit
  }) {
    const result = await reqLogout()
    if (result.code === 0) {
      commit(RESET_USER_INFO)
    }
  },
  // 异步获取商家信息
  async getShopInfo({
    commit
  }) {
    const result = await reqShopInfo()
    if (result.code === 0) {
      const info = result.data
      commit(RECEIVE_INFO, {
        info
      })
    }
  },

  // 异步获取商家评价列表
  async getShopRatings({
    commit
  }, callback) {
    const result = await reqShopRatings()
    if (result.code === 0) {
      const ratings = result.data
      commit(RECEIVE_RATINGS, {
        ratings
      })
      // 数据更新了, 通知一下组件
      callback && callback()
    }
  },

  // 异步获取商家商品列表
  async getShopGoods({
    commit
  }, callback) {
    const result = await reqShopGoods()
    if (result.code === 0) {
      const goods = result.data
      commit(RECEIVE_GOODS, {
        goods
      })
      // 数据更新了, 通知一下组件
      callback && callback()
    }
  },

  // 同步更新food 中的 count 数量
  updateFoodCount({
    commit
  }, {
    isAdd,
    food
  }) {
    // isAdd ? food.count++ : food.count--
    if (isAdd) {
      commit(INCREMENT_FOOD_COUNT, {
        food
      })
    } else {
      commit(DECREMENT_FOOD_COUNT, {
        food
      })
    }
  },

  // 同步清空购物车
  clearCart({
    commit
  }) {
    commit(CLEAR_CART)
  },
  // 异步获取商家评价列表
  async searchShops({
    commit,
    state
  }, keyword) {
    const geohash = state.latitude + ',' + state.longitude
    const result = await reqSearchShop(geohash, keyword)
    if (result.code === 0) {
      const searchShops = result.data
      commit(RECEIVE_SEARCH_SHOPS, {
        searchShops
      })
      // 数据更新了, 通知一下组件
      // callback && callback()
    }
  }
}
